Gas Exchnage In Mammals

Question 1

What is the primary function of the gaseous exchange system in mammals?

Answer 1

To get oxygen into the blood and remove carbon dioxide from the body.

Question 2

What organs are involved in the gaseous exchange system in mammals?

Answer 2

Lungs.

Question 3

What is the trachea commonly referred to as?

Answer 3

Windpipe.

Question 4

What does the trachea split into?

Answer 4

Two bronchi.

Question 5

What are the smaller tubes that branch off from the bronchi called?

Answer 5

Bronchioles.

Question 6

What are the small air sacs at the end of bronchioles called?

Answer 6

Alveoli.

Question 7

Why are there many alveoli in the lungs?

Answer 7

To provide a large surface area for diffusion.

Question 8

Which muscles work together to move air in and out of the lungs?

Answer 8

Ribcage, intercostal muscles, and diaphragm.

Question 9

Fill in the blank: The _______ is the main organ for gas exchange in mammals.

Answer 9

lungs

Question 10

True or False: The bronchi lead directly into the alveoli.

Answer 10

False.

Question 11

List the components of the gaseous exchange system in order from the trachea to the alveoli.

Answer 11

• Trachea
• Bronchi
• Bronchioles
• Alveoli

Question 12

Describe the structure in gaseous exchange system in mammals

Answer 12

•Air enters the trachea (windpipe)
• trachea splits into two bronchi
• each bronchi branches off into smaller tubes called bronchioles
•the bronchioles end in small air sacs called alveoli

Question 13

Where are gases exchanged in the lungs

Answer 13

Alveoli